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Process for purifying raw liquid of bamboo vinegar

A purification method and technology of bamboo vinegar liquid are applied in the field of purification of bamboo vinegar liquid stock solution, which can solve the problems affecting product application and sales, unstable and uniform color, unstable product quality, etc., and achieves reduction of pesticide residues, simple production process, The effect of low processing costs

Inactive Publication Date: 2003-02-19
ZHEJIANG FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bamboo vinegar is an industry that has only flourished at home and abroad in recent years. Although there is a certain market size at present, due to problems in production technology, the quality of the product is unstable, poor quality, unstable and uniform in color depth, and turbidity occurs, which directly affects Product Application and Sales
The purification technology of the original solution of bamboo vinegar is only a simple static technology at present, and it is still blank in the technical field of deep processing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) The stock solution of bamboo vinegar liquid is obtained from a temperature of 120~180°C at the chimney mouth of a charcoal kiln, a pH value of 2.9, a specific gravity of 1.005, an acetic acid content of 5.2%, and a dark reddish-brown liquid;

[0016] (2) The production process of brown-yellow refined bamboo vinegar liquid: according to the bamboo vinegar liquid stoste of (1), distill under the condition of temperature 102 ℃, put the refined bamboo vinegar liquid through condensing at room temperature, avoid strong light irradiation and Keep near a heat source. After aging for 8 months, a brownish-yellow, clear and transparent bamboo vinegar solution was obtained.

Embodiment 2

[0018] (1) The stock solution of bamboo vinegar liquid is obtained from a temperature of 130~150° C. at the chimney mouth of a charcoal kiln, a pH value of 3.0, a specific gravity of 1.003, an acetic acid content of 6.0%, and a brown liquid;

[0019] (2) the production technology of colorless bamboo vinegar liquid: according to (1) bamboo vinegar liquid stoste, carry out distillation under the condition of temperature 102 ℃, add agent A through the refined bamboo vinegar liquid of condensation, and keep stirring until clarification, Just obtain colorless bamboo vinegar liquid. Its weight ratio formula of agent A: refined bamboo vinegar: anhydrous sodium sulfite: sodium metabisulfite=100: 2: 0.5.

Embodiment 3

[0021] (1) The temperature of the chimney mouth of the charcoal kiln is 90-280°C, the pH value is 2.8, the specific gravity is 1.006, the acetic acid content is 4.2-7.0%, and the reddish-brown liquid:

[0022] (2) The production technology of powdery solid bamboo vinegar liquid: according to (1) bamboo vinegar liquid stoste, carry out distillation under the condition of temperature 102 ℃, through the refined bamboo vinegar liquid of condensing, add B agent, constantly stir, until reaction terminates, The remaining solid bamboo vinegar liquid is dried, pulverized and processed into a certain mesh of solid powder, and 3% musk Chinese herbal medicine is added to mix and stir evenly to obtain the powdery solid bamboo vinegar liquid. The weight ratio of agent B is: refined bamboo vinegar: calcium carbide: quicklime: cornstarch=100:8:5:70.

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Abstract

A process for purifying the raw liquid of bamboo vinegar, which is prepared from bamboo through high-temp thermolysis, includes distilling, condensing and special purifying to obtain liquid or powdered bamboo vinegar, which can be used for improving soil, preventing and eliminating diseases and pests of agricultural crops.

Description

technical field [0001] The invention relates to a method for purifying the stock solution of bamboo vinegar liquid. Background technique [0002] Bamboo vinegar stock solution is a product obtained by high-temperature pyrolysis of bamboo and processing residues. It is a mixture of nearly 200 substances such as organic acids, phenols, ketones, aldehydes, alcohols and heterocyclics. Bamboo vinegar is an industry that has only flourished at home and abroad in recent years. Although there is a certain market size at present, due to problems in production technology, the quality of the product is unstable, poor quality, unstable and uniform in color depth, and turbidity occurs, which directly affects Product application and sales. To the purification technology of bamboo vinegar stock solution, at present just stays in simple static technology, still blank in the technical field of deep processing. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): C07B63/00C07C51/44C07C53/08
Inventor 张文标王伟龙邵千钧陈文照
Owner ZHEJIANG FORESTRY UNIVERSITY
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